#:kivy 1.0
<MyButton@Button>:
    size: 80,30
    size_hint: None, None
    font_name: r'C:\Windows\Fonts\simsun.ttc'    
    font_size: 16
<ImageProcess>:
    # size: 800,800 
    # size_hint: None, None
    BoxLayout:
        orientation: 'vertical'
        padding: 20
        Image:
            id: myimg
            size: 600,600
            size_hint: None, None
            allow_stretch: True
        BoxLayout:
            orientation: 'horizontal'
            padding: 20
            MyButton:
                text: u"拍照"
                id: btn_camera
                pos: 20,630
            MyButton:
                text: u"下一个"
                id: btn_next
                on_release: root.next()
            MyButton:
                text: u"旋转"
                id: btn_rotate
            MyButton:
                text: u"增强"
                id: btn_enhance
            MyButton:
                text: u"边缘识别"
                id: btn_line
            MyButton:
                text: u"剪裁"
                id: btn_clip
            MyButton:
                text: u"标记"
                id: btn_tag